CA2817414C - Process for obtaining chondroitin sulphated at the 4- or 6- positions of n-acetyl-galactosamine residues - Google Patents
Process for obtaining chondroitin sulphated at the 4- or 6- positions of n-acetyl-galactosamine residues Download PDFInfo
- Publication number
- CA2817414C CA2817414C CA2817414A CA2817414A CA2817414C CA 2817414 C CA2817414 C CA 2817414C CA 2817414 A CA2817414 A CA 2817414A CA 2817414 A CA2817414 A CA 2817414A CA 2817414 C CA2817414 C CA 2817414C
- Authority
- CA
- Canada
- Prior art keywords
- chondroitin
- acetyl
- residues
- galactosamine
- positions
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- OVRNDRQMDRJTHS-CBQIKETKSA-N N-Acetyl-D-Galactosamine Chemical group CC(=O)N[C@H]1[C@@H](O)O[C@H](CO)[C@H](O)[C@@H]1O OVRNDRQMDRJTHS-CBQIKETKSA-N 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 27
- DLGJWSVWTWEWBJ-HGGSSLSASA-N chondroitin Chemical compound CC(O)=N[C@@H]1[C@H](O)O[C@H](CO)[C@H](O)[C@@H]1OC1[C@H](O)[C@H](O)C=C(C(O)=O)O1 DLGJWSVWTWEWBJ-HGGSSLSASA-N 0.000 title claims description 37
- 229920002567 Chondroitin Polymers 0.000 title claims description 35
- 229920001287 Chondroitin sulfate Polymers 0.000 claims abstract description 21
- 150000004676 glycans Polymers 0.000 claims abstract description 17
- 150000004804 polysaccharides Polymers 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 239000000047 product Substances 0.000 claims description 19
- 239000002253 acid Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- MBLBDJOUHNCFQT-UHFFFAOYSA-N N-acetyl-D-galactosamine Natural products CC(=O)NC(C=O)C(O)C(O)C(O)CO MBLBDJOUHNCFQT-UHFFFAOYSA-N 0.000 claims description 10
- 125000000649 benzylidene group Chemical group [H]C(=[*])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 9
- 125000006239 protecting group Chemical group 0.000 claims description 9
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 6
- 125000002252 acyl group Chemical group 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 6
- AEMOLEFTQBMNLQ-AQKNRBDQSA-N D-glucopyranuronic acid Chemical group OC1O[C@H](C(O)=O)[C@@H](O)[C@H](O)[C@H]1O AEMOLEFTQBMNLQ-AQKNRBDQSA-N 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 5
- 238000005903 acid hydrolysis reaction Methods 0.000 claims description 5
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 claims description 5
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 5
- 230000010933 acylation Effects 0.000 claims description 4
- 238000005917 acylation reaction Methods 0.000 claims description 4
- 230000008030 elimination Effects 0.000 claims description 4
- 238000003379 elimination reaction Methods 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 4
- 150000008064 anhydrides Chemical class 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000007062 hydrolysis Effects 0.000 claims description 2
- 238000006460 hydrolysis reaction Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N protonated dimethyl amine Natural products CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 claims description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Substances C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 2
- XUXNAKZDHHEHPC-UHFFFAOYSA-M sodium bromate Chemical compound [Na+].[O-]Br(=O)=O XUXNAKZDHHEHPC-UHFFFAOYSA-M 0.000 claims description 2
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 claims description 2
- 238000011026 diafiltration Methods 0.000 claims 2
- 238000000108 ultra-filtration Methods 0.000 claims 2
- MSWZFWKMSRAUBD-GASJEMHNSA-N 2-amino-2-deoxy-D-galactopyranose Chemical group N[C@H]1C(O)O[C@H](CO)[C@H](O)[C@@H]1O MSWZFWKMSRAUBD-GASJEMHNSA-N 0.000 claims 1
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims 1
- 239000003377 acid catalyst Substances 0.000 claims 1
- 238000005904 alkaline hydrolysis reaction Methods 0.000 claims 1
- 150000001244 carboxylic acid anhydrides Chemical class 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 239000012465 retentate Substances 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 description 10
- IAJILQKETJEXLJ-QTBDOELSSA-N aldehydo-D-glucuronic acid Chemical compound O=C[C@H](O)[C@@H](O)[C@H](O)[C@H](O)C(O)=O IAJILQKETJEXLJ-QTBDOELSSA-N 0.000 description 9
- 229920001282 polysaccharide Polymers 0.000 description 9
- 239000005017 polysaccharide Substances 0.000 description 9
- 238000003756 stirring Methods 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- IAJILQKETJEXLJ-UHFFFAOYSA-N Galacturonsaeure Natural products O=CC(O)C(O)C(O)C(O)C(O)=O IAJILQKETJEXLJ-UHFFFAOYSA-N 0.000 description 6
- 229940097043 glucuronic acid Drugs 0.000 description 6
- 241001465754 Metazoa Species 0.000 description 5
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N ethyl acetate Substances CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 102100020870 La-related protein 6 Human genes 0.000 description 3
- 108050008265 La-related protein 6 Proteins 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 210000000845 cartilage Anatomy 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 3
- 230000004151 fermentation Effects 0.000 description 3
- 238000005570 heteronuclear single quantum coherence Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- WQZGKKKJIJFFOK-SVZMEOIVSA-N (+)-Galactose Chemical compound OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@H]1O WQZGKKKJIJFFOK-SVZMEOIVSA-N 0.000 description 2
- HOSGXJWQVBHGLT-UHFFFAOYSA-N 6-hydroxy-3,4-dihydro-1h-quinolin-2-one Chemical group N1C(=O)CCC2=CC(O)=CC=C21 HOSGXJWQVBHGLT-UHFFFAOYSA-N 0.000 description 2
- 229920002683 Glycosaminoglycan Polymers 0.000 description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000003356 anti-rheumatic effect Effects 0.000 description 2
- 239000003435 antirheumatic agent Substances 0.000 description 2
- 230000003011 chondroprotective effect Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000005100 correlation spectroscopy Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000012444 downstream purification process Methods 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004108 freeze drying Methods 0.000 description 2
- BJHIKXHVCXFQLS-UYFOZJQFSA-N fructose group Chemical group OCC(=O)[C@@H](O)[C@H](O)[C@H](O)CO BJHIKXHVCXFQLS-UYFOZJQFSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000013341 scale-up Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 238000001551 total correlation spectroscopy Methods 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 1
- 238000005084 2D-nuclear magnetic resonance Methods 0.000 description 1
- 241000251730 Chondrichthyes Species 0.000 description 1
- 102000037716 Chondroitin-sulfate-ABC endolyases Human genes 0.000 description 1
- 108090000819 Chondroitin-sulfate-ABC endolyases Proteins 0.000 description 1
- QSJXEFYPDANLFS-UHFFFAOYSA-N Diacetyl Chemical group CC(=O)C(C)=O QSJXEFYPDANLFS-UHFFFAOYSA-N 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 102000010834 Extracellular Matrix Proteins Human genes 0.000 description 1
- 108010037362 Extracellular Matrix Proteins Proteins 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 208000012659 Joint disease Diseases 0.000 description 1
- 208000003947 Knee Osteoarthritis Diseases 0.000 description 1
- OVRNDRQMDRJTHS-UHFFFAOYSA-N N-acelyl-D-glucosamine Natural products CC(=O)NC1C(O)OC(CO)C(O)C1O OVRNDRQMDRJTHS-UHFFFAOYSA-N 0.000 description 1
- OVRNDRQMDRJTHS-FMDGEEDCSA-N N-acetyl-beta-D-glucosamine Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O OVRNDRQMDRJTHS-FMDGEEDCSA-N 0.000 description 1
- MBLBDJOUHNCFQT-LXGUWJNJSA-N N-acetylglucosamine Natural products CC(=O)N[C@@H](C=O)[C@@H](O)[C@H](O)[C@H](O)CO MBLBDJOUHNCFQT-LXGUWJNJSA-N 0.000 description 1
- YZDJQTHVDDOVHR-UHFFFAOYSA-N PLX-4720 Chemical compound CCCS(=O)(=O)NC1=CC=C(F)C(C(=O)C=2C3=CC(Cl)=CN=C3NC=2)=C1F YZDJQTHVDDOVHR-UHFFFAOYSA-N 0.000 description 1
- 102000016611 Proteoglycans Human genes 0.000 description 1
- 108010067787 Proteoglycans Proteins 0.000 description 1
- 241000588767 Proteus vulgaris Species 0.000 description 1
- 108091006629 SLC13A2 Proteins 0.000 description 1
- 241000251539 Vertebrata <Metazoa> Species 0.000 description 1
- -1 acetic anhydride triethylamine acetonitrile 4-(dimethylamino)-pyridine Chemical compound 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 238000006480 benzoylation reaction Methods 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- MIOPJNTWMNEORI-UHFFFAOYSA-N camphorsulfonic acid Chemical compound C1CC2(CS(O)(=O)=O)C(=O)CC1C2(C)C MIOPJNTWMNEORI-UHFFFAOYSA-N 0.000 description 1
- 239000003729 cation exchange resin Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 125000000600 disaccharide group Chemical group 0.000 description 1
- 238000002518 distortionless enhancement with polarization transfer Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 210000002744 extracellular matrix Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229950006780 n-acetylglucosamine Drugs 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 201000008482 osteoarthritis Diseases 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 229940007042 proteus vulgaris Drugs 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
- C08B37/0063—Glycosaminoglycans or mucopolysaccharides, e.g. keratan sulfate; Derivatives thereof, e.g. fucoidan
- C08B37/0069—Chondroitin-4-sulfate, i.e. chondroitin sulfate A; Dermatan sulfate, i.e. chondroitin sulfate B or beta-heparin; Chondroitin-6-sulfate, i.e. chondroitin sulfate C; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0003—General processes for their isolation or fractionation, e.g. purification or extraction from biomass
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Molecular Biology (AREA)
- Polymers & Plastics (AREA)
- Dermatology (AREA)
- Sustainable Development (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Saccharide Compounds (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI2010A002092 | 2010-11-11 | ||
| ITMI2010A002092A IT1402871B1 (it) | 2010-11-11 | 2010-11-11 | Processo per ottenere condroitina solfatata in posizione 4 o 6 dei residui di n-acetil-galattosammina |
| PCT/EP2011/069972 WO2012062917A2 (en) | 2010-11-11 | 2011-11-11 | Process for obtaining chondroitin sulphated at the 4- or 6- positions of n-acetyl-galactosamine residues |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2817414A1 CA2817414A1 (en) | 2012-05-18 |
| CA2817414C true CA2817414C (en) | 2018-12-04 |
Family
ID=43742707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2817414A Active CA2817414C (en) | 2010-11-11 | 2011-11-11 | Process for obtaining chondroitin sulphated at the 4- or 6- positions of n-acetyl-galactosamine residues |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US9394378B2 (it) |
| EP (1) | EP2638074B1 (it) |
| CN (1) | CN103298837B (it) |
| CA (1) | CA2817414C (it) |
| DK (1) | DK2638074T3 (it) |
| ES (1) | ES2534393T3 (it) |
| HK (1) | HK1189240A1 (it) |
| IT (1) | IT1402871B1 (it) |
| PL (1) | PL2638074T3 (it) |
| PT (1) | PT2638074E (it) |
| WO (1) | WO2012062917A2 (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20110505A1 (it) | 2011-03-29 | 2012-09-30 | Altergon Sa | Processo per la preparazione di condroitine solfatate in posizione 3 sull'acido glucuronico |
| PL2707396T3 (pl) | 2011-05-12 | 2019-04-30 | Gnosis Spa | Biotechnologiczny siarczanowany siarczan chondroityny w pozycji 4 lub 6 na tym samym łańcuchu polisacharydowyn i sposób jego wytwarzania |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI991465A1 (it) | 1999-07-02 | 2001-01-02 | Inalco Spa | Processo per la preparazione dei polisaccaridi k4 e k5 da escherichiacoli |
-
2010
- 2010-11-11 IT ITMI2010A002092A patent/IT1402871B1/it active
-
2011
- 2011-11-11 DK DK11790737.8T patent/DK2638074T3/en active
- 2011-11-11 EP EP11790737.8A patent/EP2638074B1/en active Active
- 2011-11-11 WO PCT/EP2011/069972 patent/WO2012062917A2/en active Application Filing
- 2011-11-11 PL PL11790737T patent/PL2638074T3/pl unknown
- 2011-11-11 CA CA2817414A patent/CA2817414C/en active Active
- 2011-11-11 US US13/884,432 patent/US9394378B2/en active Active
- 2011-11-11 CN CN201180053969.XA patent/CN103298837B/zh active Active
- 2011-11-11 ES ES11790737.8T patent/ES2534393T3/es active Active
- 2011-11-11 PT PT117907378T patent/PT2638074E/pt unknown
-
2014
- 2014-03-06 HK HK14102272.9A patent/HK1189240A1/zh unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA2817414A1 (en) | 2012-05-18 |
| WO2012062917A2 (en) | 2012-05-18 |
| DK2638074T3 (en) | 2015-02-16 |
| EP2638074A2 (en) | 2013-09-18 |
| US20130225802A1 (en) | 2013-08-29 |
| CN103298837A (zh) | 2013-09-11 |
| US9394378B2 (en) | 2016-07-19 |
| PL2638074T3 (pl) | 2015-06-30 |
| HK1189240A1 (zh) | 2014-05-30 |
| ITMI20102092A1 (it) | 2012-05-12 |
| IT1402871B1 (it) | 2013-09-27 |
| WO2012062917A3 (en) | 2012-07-12 |
| EP2638074B1 (en) | 2015-01-07 |
| PT2638074E (pt) | 2015-04-23 |
| CN103298837B (zh) | 2016-01-20 |
| ES2534393T3 (es) | 2015-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Shi et al. | Characterization of a novel purified polysaccharide from the flesh of Cipangopaludina chinensis | |
| Zhang et al. | Structural characterization and in vitro antitumor activity of an acidic polysaccharide from Angelica sinensis (Oliv.) Diels | |
| Marais et al. | A fucoidan fraction from Ascophyllum nodosum | |
| Xu et al. | Structure characteristics of a water-soluble polysaccharide purified from dragon fruit (Hylocereus undatus) pulp | |
| Zhou et al. | An arabinogalactan from fruits of Lycium barbarum L. inhibits production and aggregation of Aβ42 | |
| US6777398B2 (en) | Process for the preparation of chondroitin sulfates from K4 polysaccharide and obtained products | |
| US20100210588A1 (en) | Hyaluronic Acid Linked with a Polymer of an Alpha Hydroxy Acid | |
| Zhang et al. | Structural features, antioxidant and immunological activity of a new polysaccharide (SP1) from sisal residue | |
| Song et al. | Structural characterization and anticoagulant activity of two polysaccharides from Patinopecten yessoensis viscera | |
| KR20020086594A (ko) | 연어 유래의 콘드로이틴 황산 | |
| KR101515892B1 (ko) | Ｋ5 헤파로산 발효 및 정제 | |
| CA2817414C (en) | Process for obtaining chondroitin sulphated at the 4- or 6- positions of n-acetyl-galactosamine residues | |
| Ghosh et al. | Structural investigation of a polysaccharide (Fr. I) isolated from the aqueous extract of an edible mushroom, Volvariella diplasia | |
| RU2670767C9 (ru) | Способ получения низкомолекулярного гепарина | |
| Sayed et al. | Expedient synthesis and properties of 6-deoxy-6-amino chitosan | |
| CN110769858A (zh) | 水溶性多糖衍生物、其制备工艺及其用途 | |
| CN111217934A (zh) | 一种去除果胶中内毒素的方法和去除内毒素的果胶 | |
| KR20220149736A (ko) | 생태학적으로 허용 가능한 용매 내 다당류의 직접적인 황산화 방법 | |
| JP4719878B2 (ja) | アオヤギ由来のコンドロイチン硫酸 | |
| WO2012130753A1 (en) | Process for the preparation of chondroitin sulfated at position 3 of glucuronic acid | |
| Kanchana et al. | Alternative exploration of hyaluronic acid from marine superstore | |
| Ragab et al. | rice straw and husk, Biocatalysis and Agricultural Biotechnology | |
| EA046236B1 (ru) | Способ прямого сульфатирования полисахаридов в экологически приемлемом растворителе | |
| CN117050204A (zh) | 一种赶黄草多糖pcpp及其应用 | |
| CN111116770A (zh) | 一种鹅不食草多糖及其制备方法和应用 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20161102 |